One of those measures is secondary refining.
炉外精炼就是这种措施之一。
The paper aims to give reference to improvements in secondary refining in AISC.
旨在为鞍钢的钢水二次精炼技术水平的提高起到一定的参考作用。
This paper introduces the success of the process of converter plus secondary refining and suggestion about its development.
介绍了国外转炉流程进行钢水炉外精炼所取得的成就。
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